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17 小時前 · William Henry Gates III (born October 28, 1955) is an American businessman, investor, philanthropist, and writer best known for co-founding the software company Microsoft with his childhood friend Paul Allen.
1 天前 · The cat ( Felis catus ), commonly referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticated species of the family Felidae. Recent advances in archaeology and genetics have shown that the domestication of the cat occurred in the Near East around 7500 BC.
17 小時前 · Anonymous is a decentralized international activist and hacktivist collective and movement primarily known for its various cyberattacks against several governments, government institutions and government agencies, corporations and the Church of Scientology .
2 天前 · The vectors shown are the eigenvectors of the covariance matrix scaled by the square root of the corresponding eigenvalue, and shifted so their tails are at the mean. Principal component analysis has applications in many fields such as population genetics, microbiome studies, and atmospheric science .
1 天前 · Joseph Vissarionovich Stalin [f] (born Dzhugashvili; [g] 18 December [ O.S. 6 December] 1878 – 5 March 1953) was a Soviet politician and revolutionary who was the longest-serving leader of the Soviet Union from 1924 until his death in 1953.
1 天前 · The culture remembered by the earliest extant literature is that of the Zhou dynasty ( c. 1046 – 256 BCE), China's Axial Age, during which the Mandate of Heaven was introduced, and foundations laid for philosophies such as Confucianism, Taoism, Legalism, and Wuxing .
17 小時前 · Capitalism is an economic system based on the private ownership of the means of production and their operation for profit. [1] [2] [3] [4] [5] Central characteristics of capitalism include capital accumulation, competitive markets, price systems, private property, property rights recognition, economic freedom, profit motive ...
